Urban Forestry Institute
Dallas – May 5, 2026 | Register Today!
Texas AgriLife Center
17360 Coit Rd
Dallas, TX, 75252
– Event Flyer
New Braunfels – May 7, 2026 | Register Today!
Landa Recreation Center
345 Landa St.
New Braunfels. TX, 78130
Overview
An exciting day is planned with ½ day indoor discussion and instruction on how to develop and prescribe a viable growth and pruning prescription followed be an intense ½ day outdoor in applying the developed process from two of our industry leaders in the Prescriptive Pruning Certification process!
Ron Zillmer, Owner of Legacy-Trees has brought a superior way to produce and transplant trees to the tree care industry. This method was developed by Ron Zillmer, Legacy-Trees Founder and President, who spent 30 years in the tree care industry studying tree physiology, analyzing root samples, and cultivating a brand-new way to plant trees. Ron Zillmer’s credentials speak volumes for the knowledge he has acquired related to tree and root physiology.
• Undergraduate degree in Urban Forestry – University of Wisconsin Stevens Point
• Master’s degree in Tree Physiology – Purdue University
• Youngest president elected to the Wisconsin Arborist Association in 1995
• Served on the International Society of Arboriculture’s – Arborist Certification Board
• Created the 2+2 Urban Forestry Degree at Mid-State Technical College that laddered into a 4-year program at UW Stevens Point
• Created the Arborist Apprenticeship program in 2016 and was awarded the ‘Advancing Arboriculture Award’ in 2017
Ron has spoken internationally and has traveled as far as Hong Kong presenting on improper planting techniques. Not only can Legacy-Trees offer a superior planting method, but Legacy can also offer Ron’s intellect through workshops and seminars. Through a combination of an indoor presentation and outdoor hands-on learning experience, Ron can take 2 hours and changes people’s outlook on tree planting forever. Ron’s unique 25-year-old collection of root systems can tell the story of the tree planting industry and just how far away it has gotten from what the trees truly need to grow. Call Legacy-Trees today to inquire about hosting one of Ron’s seminars for any outdoor enthusiasts that want to learn more about what they can do to not just plant trees but establish trees.
Kristoffer Rasmussen is a respected influencer in the Tree Care Industry, recognized for his passion for trees, safety training, and advancing professional standards. He is a Certified Treecare Safety Professional (CTSP), TCIA Accreditation Auditor and Loss Control Specialist, and Florida ISA Prescription Pruning Qualification Coordinator, as well as an ISA Urban Forest Professional, TCIA Crew Leader Qualified, TCIA Qualified Trainer, and Red Cross CPR/First Aid Instructor. He also serves on the TCI Magazine Editorial Advisor Committee, reflecting his commitment to arborist safety, company excellence, and the long-term health of the urban forest. With experience as a municipal, commercial, and residential arborist, Kristoffer brings practical, field-tested expertise to his work and plays a key role in evaluating and guiding tree care companies helping them align with industry standards, best practices and improving efficiency.
Michael is a graduate of Texas A&M University in College Station, TX. He received his B.S in Recreation Administration in 2005 and went to work for the City of Grand Prairie, Texas right after graduation. Michael serves as Secretary of TBUFC and provides technical support for the organization.
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